buildValidated

Reads the key once, checks it by listing the endpoint's models with it, then returns a service for the default model. A missing key, a rejected listing or an unreachable endpoint all count as an invalid key. A key supplier that throws InvalidApiKeyException itself, as one that insists on a key does for a blank one, counts as a missing key. An already interrupted caller is cancelled before the key is read, including when no key is configured. An interrupted key supplier also throws a CancellationException.

Throws